Wavelet-Based Visualization of Impulsive and Transient Sounds in Stationary Background Noise
Wavelet-Based Visualization of Impulsive and Transient Sounds in Stationary Background Noise
- Neue Suche nach: Scholl, David
- Neue Suche nach: Scholl, David
Scalograms based on shift-invariant orthonormal wavelet transforms can be used to analyze impulsive and transient sounds in the presence of more stationary sound backgrounds, such as wind noise or drivetrain noise. The visual threshold of detection for impulsive features on the scalogram (signal energy content vs. time and frequency,) is shown to be similar to the audible threshold of detection of the human auditory system for the corresponding impulsive sounds. Two examples of impulsive sounds in a realistic automotive sound background are presented: automotive interior rattle in a vehicle passenger compartment, and spark knock recorded in an engine compartment.
Dokumentinformationen
Wavelet-Based Visualization of Impulsive and Transient Sounds in Stationary Background Noise
Sae Technical Papers
SAE 2001 Noise & Vibration Conference & Exposition ; 2001
2001-04-30
Aufsatz (Konferenz)
Englisch
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